213333682 has 8 divisors (see below), whose sum is σ = 321329052. Its totient is φ = 106224000.

The previous prime is 213333677. The next prime is 213333689. The reversal of 213333682 is 286333312.

It can be written as a sum of positive squares in 2 ways, for example, as 205091041 + 8242641 = 14321^2 + 2871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213333682² = 91022519751354248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213333689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220819 + ... + 221782.

Almost surely, 2^213333682 is an apocalyptic number.

213333682 is a deficient number, since it is larger than the sum of its proper divisors (107995370).

213333682 is a wasteful number, since it uses less digits than its factorization.

213333682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442844.

The product of its digits is 15552, while the sum is 31.

The square root of 213333682 is about 14605.9468025870. The cubic root of 213333682 is about 597.5209583984.

Adding to 213333682 its reverse (286333312), we get a palindrome (499666994).

The spelling of 213333682 in words is "two hundred thirteen million, three hundred thirty-three thousand, six hundred eighty-two".